Local Magnetic Susceptibility of the Positive Muon in the Quasi 1D S=1/2 Antiferromagnet KCuF₃

Chakhalian, J.; Kiefl, R. F.; Miller, R.; Dunsiger, S. R.; Morris, G.; Kreitzman, S.; Kreitzman, S.; Sonier, J.; Eggert, S.; Affleck, I.

doi:10.1016/S0921-4526(02)01655-1

arXiv 2002-10-02 DOI 10.1016/S0921-4526(02)01655-1 0 views

Local Magnetic Susceptibility of the Positive Muon in the Quasi 1D S=1/2 Antiferromagnet KCuF₃

Chakhalian, J. · Kiefl, R. F. · Miller, R. · Dunsiger, S. R. · Morris, G. · Kreitzman, S. · Kreitzman, S. · Sonier, J. · Eggert, S. · Affleck, I. · Yamada, I.

Strongly Correlated Electrons Materials Science

Original · EN

We report muon spin rotation measurements of the local magnetic susceptibility around a positive muon in the paramagnetic state of the quasi one-dimensional spin 1/2 antiferromagnet KCuF₃. Signals from two distinct sites are resolved which have a temperature dependent frequency shift which is different than the magnetic susceptibility. This difference is attributed to a muon induced perturbation of the spin 1/2 chain.

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